marmonitor - tmux 상태바에서 AI 코딩 에이전트 세션을 실시간 추적

As AI coding agents like Claude Code become central to development workflows, managing multiple concurrent sessions emerges as a critical productivity challenge. marmonitor addresses this by displaying agent session states directly in the tmux statusline, eliminating context-switching between panes and reducing developer cognitive load. This lightweight, local-only monitoring approach reflects a pragmatic solution emerging from real developer needs when juggling multiple AI-assisted tasks.